Create a Loopback Plug for an RJ-45 Ethernet Interface
Action To create a loopback plug, cross pin 1 (TX+) and pin 3 (RX+) together, and cross pin 2 (TX-) and pin 6 (RX-) together. You need the following equipment to create the loopback: A 6-inch long CAT5 cable An… (READ MORE)